Winter vitamin d fix: fortified foods tested on teens
NCT ID NCT07349290
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at whether giving families foods naturally rich or fortified with vitamin D can improve vitamin D levels in teenagers during winter. About 160 households with at least one teen (11-17) and one adult will take part. Researchers will measure vitamin D in blood and ask about diet and food preferences.
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Contacts and locations
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Locations
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Ulster University, Human Intervention Studies Unit, Coleraine, Co. Londonderry
Coleraine, BT52 1SA, United Kingdom
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